3.1) Sketch the Hydraulic Grade Line (HGL) and the Energy Grade Line (EGL) considering all losses (abrupt expansion KL = (1 – ) ) Compute the gauge pressure Pn read by the Bourdon manometer right downstream of the sudden expansion (assume the centre of gravity of the manometer is located at z=2.5m). 3.2)

Elements Of Electromagnetics
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Problem 3
As shown in the figure below, water (kinematic viscosity of water v =10m's) flows out of a
reservoir (minor loss coefficient at A, KL = 0.7) into a system of two pipes discharging into another
reservoir. The first pipe, which goes from A to B has a diameter D=0.12m and is 12 m long. The
V
%3D
second pipe, which
goes
from B to C has a diameter
D2=0.32m and is 13m long.
The Darcy-Weisbach
friction factor is the same
for each pipe and is
approximately equal to
Hi
2=0.017. The water level
Pn
into the upstream reservoir
is H,=10 m and the
volumetric flow rate in the
Datum z=0
system is Q=0.02 m³/s.
3.1)
Sketch the Hydraulic Grade Line (HGL) and the Energy Grade Line (EGL) considering
all losses (abrupt expansion K, = (1- )
%3D
Compute the gauge pressure Pn read by the Bourdon manometer right downstream of the
sudden expansion (assume the centre of gravity of the manometer is located at z=2.5m).
3.2)
Transcribed Image Text:Problem 3 As shown in the figure below, water (kinematic viscosity of water v =10m's) flows out of a reservoir (minor loss coefficient at A, KL = 0.7) into a system of two pipes discharging into another reservoir. The first pipe, which goes from A to B has a diameter D=0.12m and is 12 m long. The V %3D second pipe, which goes from B to C has a diameter D2=0.32m and is 13m long. The Darcy-Weisbach friction factor is the same for each pipe and is approximately equal to Hi 2=0.017. The water level Pn into the upstream reservoir is H,=10 m and the volumetric flow rate in the Datum z=0 system is Q=0.02 m³/s. 3.1) Sketch the Hydraulic Grade Line (HGL) and the Energy Grade Line (EGL) considering all losses (abrupt expansion K, = (1- ) %3D Compute the gauge pressure Pn read by the Bourdon manometer right downstream of the sudden expansion (assume the centre of gravity of the manometer is located at z=2.5m). 3.2)
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